I think the OP had a valid question about the confusion surrounding what has been stated by the developers about VST3 being unnecessary and what they are doing e.g. releasing a VST3 plug.
No, this is not a valid question, it is a somewhat childish attempt to show that Cakewalk is being disingenuous or hypocritical about why they have not re-written Sonar to benefit from VST3.* They are marketing new plugs that are VST3 compliant because they are trying to sell those plugs cross platform and to users of other client software (DAW's). Whether Cakewalk philosophers truly believe that VST3 is a major breakthrough or not is irrelevant to a market that has been sold on the concept that VST2 is obsolete.
I may think that driving a Ferrari to work is a waste of money and fuel, but if I am a Ferrari salesman, I am not going to try to sell you a Smart Car.
It is far easier to code a plugin to VST3 than a DAW, and so far at least, Cakewalk has not found itself under such market pressure from VST3 compliant competing DAW's to move the mountain.
*They are probably being somewhat disingenuous, but maybe not hypocritical.